解题步骤 。。。。。。。。。。_百度知道
解题步骤 。。。。。。。。。。
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四级精细阅读三步骤解题技巧
说明：精读在四六级考试中占20%，共计十题，均为选择题。
精细阅读基本解答方法：审题&看文章&解题。
1、审题，勾画出题干中的重要信息，以作为关键词回到原文中寻找定位。
2、看文章，有详有略，重点读懂全文开头以及每段开头抓出文章主题结构，同时标记关键词和一些重点出题的特殊语言形式，如因果、转折、比较等。
3、解题，贯彻&对应&的原则，把有关键词定位的原文与选项相对应，对原文信息完整同义改写的选项既为答案。
周雷：如何做到四六级与考研同步复习
例题：请在18分钟内完成，请勿使用任何词典类工具书。
Passage One
Questions 1 to 5 are based on the following passage.
People living on parts of the south coast of England face a serious problem. In 1993, the owners of a large hotel and of several houses discovered, to their horror, that their gardens had disappeared overnight. 1The sea had eaten into the soft limestone cliffs on which they had been built. While experts were studying the problem, the hotel and several houses disappeared altogether, sliding down the cliff and into the sea.
2Erosion (侵蚀) of the white cliffs along the south coast of England has always been a problem but it has become more serious in recent years. Dozens of homes have had to be abandoned as the sea has crept farther and farther inland. 3Experts have studied the areas most affected and have drawn up a map for local people, forecasting the year in which their homes will be swallowed up by the hungry sea.
Angry owners have called on the Government to erect 4sea defenses to protect their homes. Government surveyors have pointed out that in most cases, this is impossible. New sea walls would 1cost hundreds of millions of pounds and would merely 2make the waves and currents go further along the coast, shifting the problem from one area to another. The danger is likely to continue, they say, until the waves reach an inland area of hard rock which will not be eaten as limestone is. Meanwhile, if you want to 5buy a cheap house with an uncertain future, apply to a house agent in one of the threatened areas on the south coast of England. You can get a house for a knockdown price but it may turn out to be a knockdown home.
1. What is the cause of the problem that people living on parts of the south coast of England face?
A) The rising of the sea level.
B) The experts& lack of knowledge.
C) The washing-away of limestone cliffs.
D) The disappearance of hotels, houses and gardens.(D)
免责声明：本文仅代表作者个人观点，与凤凰网无关。其原创性以及文中陈述文字和内容未经本站证实，对本文以及其中全部或者部分内容、文字的真实性、完整性、及时性本站不作任何保证或承诺，请读者仅作参考，并请自行核实相关内容。
编辑：马俊茂
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最热万象VIP解题步骤_百度知道
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提问者采纳
0所以x&0且a不等于1所以a=2(2)f(x)=log2(2^x-2)先求f(x)定义域（1）f(2)=loga(a^2-2)=1=loga a由于对数函数具有单调性，所以 a^2-2=a算出a=2或者-1但是a&2最后解集为（1：2^x-2&1有f(x)&lt，祝你学习进步;1得出log2(2^x-2)&lt,2）好好学习;1=log2 2所以x&lt
谢啦！！！
嘿嘿不用的啦
嘻嘻！你很聪明噢！
哈哈，大学毕业了这题目再不会就糗大了
提问者评价
太给力了，你的回答完美地解决了我的问题，非常感谢！
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出门在外也不愁解题步骤_百度知道
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提问者采纳
DY=12×(1/3，所以D(X-Y+1)=DX+DY=5+8/3)×(2/6)×(5/6)=5由题设得DX=36×(1/3)=8/3=23&#47
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